M55800A Atmel Corporation, M55800A Datasheet - Page 17

• Manufacturer Part Number: M55800A
• Manufacturer: Atmel Corporation

Specifications of M55800A

• Flash (kbytes): 0 Kbytes
• Pin Count: 176
• Max. Operating Frequency: 33 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 58
• Ext Interrupts: 58
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Uart: 3
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 72
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 8
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3/5.0
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

AC Characteristics
EBI Signals Relative to MCK
The following tables show timings relative to operating condition limits defined in the section “Timing Results” on page 7
Table 25. General-purpose EBI Signals
1727E–ATARM–01/04
Symbol
EBI
EBI
EBI
EBI
EBI
EBI
1
2
3
4
5
6
Parameter
MCK Falling to NUB Valid
MCK Falling to NLB/A0 Valid
MCK Falling to A1 - A23 Valid
MCK Falling to Chip Select Change
NWAIT Setup before MCK Rising
NWAIT Hold after MCK Rising
Conditions
C
C
C
C
C
C
C
C
NUB
NUB
NLB
NLB
ADD
ADD
NCS
NCS
= 0 pF
derating
derating
= 0 pF
derating
= 0 pF
derating
= 0 pF
0.053
0.053
0.053
0.053
Min
-0.4
8.9
8.3
8.2
5.9
8
AT91M55800A
0.092
0.092
0.092
0.092
Max
14.8
15.2
15.6
17
Units
ns/pF
ns/pF
ns/pF
ns/pF
ns
ns
ns
ns
ns
ns
17